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concurrency - What is a database transaction? - Stack Overflow A transaction is a unit of work that you want to treat as "a whole " It has to either happen in full or not at all A classical example is transferring money from one bank account to another To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account The operation has to succeed in full If you stop halfway, the money will be lost
database - What is a distributed transaction? - Stack Overflow A distributed transaction is a transaction on a distributed database (i e , one where the data is stored on a number of physically separate systems) It's noteworthy because there's a fair amount of complexity involved (especially in the communications) to assure that all the machines remain in agreement, so either the whole transaction succeeds, or else it appears that nothing happened at all
How do I use transaction with oracle SQL? - Stack Overflow I am trying to use transaction blocks on a SQL-Console with an Oracle DB I'm used to use transaxction blocks in PostgreSQL like BEGIN; <simple sql statement> END; but in oracle it seems tha
sql - Transaction count after EXECUTE indicates a mismatching number of . . . Exec USPStoredProcName I get the following error: Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements Previous count = 1, current count = 0 I have read the answers in other such questions and am unable to find where exactly the commit count is getting messed up
sql server - How to use SqlTransaction in C# - Stack Overflow There is an Update query in progress, the Transaction is started at a higher level on the connection In order to ensure that all server data is in a valid state for the Update, I need to do a couple reads
Transaction marked as rollback only: How do I find the cause Participating transaction failed - marking existing transaction as rollback-only So I just stepped through my code to see where this line is generated and found that there is a catch block which did not throw anything
How to rollback a transaction in a stored procedure? Looking at the SQL Server Books Online, Microsoft seems to have an (incorrect) method of handling nested transactions in a stored procedure: Nesting Transactions Explicit transactions can be